American Experimental Music
Charles Ives
Henry Cowell
Edgard Varèse
John Cage
Harry Partch
Lou Harrison
Morton Feldman
Christian Wolff
Earle Brown
Richard Maxfield
Conlon Nancarrow
Gunrher Schuller
Cornelius Cardew
Sylvano Bussotti
Nam June Paik
Discography:
http://www.discogs.com/lists/American-Experimentalists-and-Independents/168049